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The Schwalm-Nette Nature Park is a vast nature reserve of approximately 435 km² on the border between Germany (North Rhine-Westphalia) and the Netherlands. This park is part of the larger Maas-Swalm-Nette Border Park, a cross-border nature reserve totaling approximately 870 km² that brings together German and Dutch natural landscapes. What makes the nature park unique is that the landscape is strongly defined by water: rivers, streams, lakes, marshes, and forests form a continuous network of wetlands. In this water-rich landscape, large-scale flooded forests and swamp forests develop, forming their own ecosystem. 🌧️ What do we mean by flooded forest? A flooded forest is a forest or natural zone where the soil is persistently moist or wetter than normal due to rivers and streams overflowing their banks or because groundwater is close to the surface. Water periodically pools in the soil and sometimes in above-ground puddles around tree roots and reed, and entrances and paths can be temporarily flooded, especially after rainfall or during periods of high water. In the case of the Schwalm-Nette Nature Park, such flooded wet forest areas develop primarily along the Schwalm-Nette rivers and their associated tributaries, marshes, and peatlands. Water lingers longer here because the soil is sandy and shallow, and the water can drain only slowly. 🌲 How do these wet forests develop in this park? The landscape here was formed in the last tens of thousands of years after the Ice Ages. Rivers and groundwater flows formed the natural lowlands and valleys between higher-lying forests and sandy terraces. The interaction of rainfall, high groundwater, and flooded stream valleys created swamp forests and marshland, which have become an important part of the natural environment. These flooded forests are not temporary artificial puddles but part of the original ecosystem. The soil is poor and wet, allowing typical moisture-loving trees and shrubs such as alders and willows to thrive. Where water stagnates for longer periods, forests can transform into marshes with reed beds and open ponds, characteristic wetland landscapes rich in biodiversity. 🐦 Biodiversity and life in the wet forest Because of this constant wetness, the flooded forest area provides a home to unique animals and plants. Amphibians such as frogs and salamanders thrive in the wet environment. Birds like the kingfisher and rare marsh birds find food and nesting sites here. Insects, including dragonflies and water beetles, thrive around the water and the forest edges. Plants such as marsh plants, water lilies, and moist grasslands intersect along the edge zones between the forest and open water. These forests and wetlands together form a living ecosystem that is important for nature conservation and biodiversity in the region. They contribute to the natural values for which the park is internationally recognized. 🚶 Flooding and recreation — what does it look like? In areas like the Mühlbach Marshes and other wet forest areas, paths and trails through the forest can be wet or slightly flooded after rainfall or in spring. This means that hiking trails temporarily contain puddles or wet areas, and you sometimes walk through reed forests and marshy areas where boardwalks or wooden paths have been constructed. Due to the fluctuating water levels, the landscape varies seasonally, and in spring, more puddles and water areas are often open than in late summer. Thus, a flooded forest area sometimes feels more like a wet garden of paths, water, and vegetation than a dry pine forest—a landscape in which water and forest are inextricably linked. 🌍 Importance for Conservation and Landscape The wet forest areas within the park are not only beautiful and mysterious to visit but also of great ecological importance, serving as a lifeline and breeding ground for specialist flora and fauna. They act as natural buffers for water, mitigating flooding further afield. They are part of the region's green infrastructure, with paths and routes that introduce hikers to diverse landscapes, from dry forest to wet marsh. 🌦️ Interaction with the water landscape The flooded forest is not isolated from major waterways like the Schwalm and the Nette. Because these rivers have a low gradient, water can easily infiltrate the adjacent forest landscape. As a result, in this park, you often experience forest transitions into marsh, after which river, forest, and wetlands merge into a dynamic and vibrant landscape unlike any other park.

There are many puddles, ponds and wetlands here

great trails right on the water

It is always beautiful at the Shwalm and the nature is unique.

Wonderful. Green as far as the eye can see.

Nice

Nice

Whether spring, summer or autumn, it is always an experience.